Home / 649,691.20-974,502.24-206,424.64

Finding the Fourth Proportional to 649,691.20, 974,502.24 and 206,424.64

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Solution

The fourth proportional to 649,691.20, 974,502.24 and 206,424.64 is: 309,625.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,691.20 : 974,502.24 = 206,424.64 : x
  2. Step 2: Convert to fraction form
    649,691.20/974,502.24 = 206,424.64/x
  3. Step 3: Cross multiply
    649,691.20x = 974,502.24 × 206,424.64
  4. Step 4: Simplify right side
    649,691.20x = 201,161,274,071.19
  5. Step 5: Solve for x
    x = 201,161,274,071.19/649,691.20
  6. Step 6: Final answer
    x = 309,625.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.